/* =============================================
   CALCULADORA ROI - ESCALAR MAIS
   Cores: Azul (#00A3E0) e Preto (#000000)
============================================= */

/* ===== RESET E VARIÁVEIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --azul-primary: #00A3E0;
    --azul-dark: #0086B8;
    --azul-light: #33B5E8;
    --preto: #000000;
    --preto-soft: #1a1a1a;
    --cinza-escuro: #2d2d2d;
    --cinza-medio: #4a4a4a;
    --cinza-claro: #f5f5f5;
    --branco: #ffffff;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--azul-primary) 0%, var(--azul-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--preto) 0%, var(--preto-soft) 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tamanhos */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--cinza-claro);
    color: var(--preto);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== SIDEBAR MENU VERTICAL ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--gradient-dark);
    color: var(--branco);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--branco);
    letter-spacing: -0.5px;
}

.logo-e {
    color: var(--azul-primary);
    font-size: 32px;
    font-weight: 800;
}

.logo-plus {
    color: var(--azul-primary);
    font-weight: 800;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--branco);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Menu Items */
.sidebar-menu {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    margin: 4px 12px;
    border-radius: 8px;
}

.menu-item i {
    font-size: 20px;
    margin-right: 16px;
    width: 24px;
    text-align: center;
    transition: var(--transition);
}

.menu-item span {
    font-weight: 500;
    font-size: 15px;
}

.menu-item:hover {
    background: rgba(0, 163, 224, 0.15);
    color: var(--azul-light);
}

.menu-item.active {
    background: var(--azul-primary);
    color: var(--branco);
    box-shadow: var(--shadow-md);
}

.menu-item.active i {
    color: var(--branco);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--branco);
    text-decoration: none;
    transition: var(--transition);
    font-size: 18px;
}

.social-links a:hover {
    background: var(--azul-primary);
    transform: translateY(-2px);
}

.copyright {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.4;
}

.copyright small {
    font-size: 11px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: 0;
    min-height: 100vh;
    padding: 40px 20px;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== HERO SECTION ===== */
.hero {
    text-align: center;
    margin-bottom: 60px;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 163, 224, 0.1);
    border: 1px solid var(--azul-primary);
    border-radius: 50px;
    color: var(--azul-primary);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--preto);
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--azul-primary);
}

.hero p {
    font-size: 20px;
    color: var(--cinza-medio);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FORMULÁRIO ===== */
.calculator-form {
    background: var(--branco);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

.form-title {
    text-align: center;
    margin-bottom: 32px;
}

.form-title h2 {
    font-size: 28px;
    color: var(--preto);
    margin-bottom: 8px;
}

.form-title p {
    color: var(--cinza-medio);
    font-size: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--preto);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group label i {
    color: var(--azul-primary);
    font-size: 16px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: var(--transition);
    background: var(--branco);
    color: var(--preto);
}

.form-input:focus {
    outline: none;
    border-color: var(--azul-primary);
    box-shadow: 0 0 0 4px rgba(0, 163, 224, 0.1);
}

.form-input::placeholder {
    color: #999;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

/* Botão Submit */
.btn-submit {
    width: 100%;
    padding: 18px 32px;
    background: var(--gradient-primary);
    color: var(--branco);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit i {
    font-size: 20px;
}

/* ===== FEATURES ===== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--branco);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 163, 224, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 32px;
    color: var(--azul-primary);
}

.feature-card h3 {
    font-size: 20px;
    color: var(--preto);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--cinza-medio);
    font-size: 15px;
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-dark);
    color: var(--branco);
    padding: 50px 20px 30px;
    margin-left: 0;
    margin-top: 60px;
    transition: var(--transition);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-info {
    text-align: center;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--azul-primary);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

.footer-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item i {
    font-size: 32px;
    color: var(--azul-primary);
}

.stat-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 16px;
}

.stat-item p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 8px;
}

.disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.4) !important;
    max-width: 800px;
    margin: 12px auto 0;
}

.disclaimer i {
    color: var(--azul-primary);
}

/* ===== RESPONSIVO ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content,
    .footer {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 1001;
        background: var(--azul-primary);
        color: var(--branco);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        box-shadow: var(--shadow-lg);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .calculator-form {
        padding: 24px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero,
.calculator-form,
.features {
    animation: fadeInUp 0.6s ease-out;
}